Redirected Cookies are not read by IE on Vista and above

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    Introduction

    Using an Environment Manager logon action to redirect the Cookies special folder may not work correctly on Vista and Windows 7. Cookies are redirected to the remote share, but are not read from this location successfully. Information such as logins stored in cookies will therefore not be remembered, even within a continuous session.

    Detail

    When redirecting cookies, it is necessary for the Internet Explorer (IE), running as the user, to be able to read and write to the parent of the remote Cookies folder, in addition to the Cookies folder itself as IE attempts to create additional folders (IETldCache, PrivacIE and IECompatCache) in the parent folder. If the redirection is to the root of users homedrive share, ie \\server\share\%username%, IE will attempt to create this addtional folders within \\server\share.

    To avoid this issue, and prevent other unexpected folders being created, we would recommend redirecting Cookies to a dedicated folder to contain all of these.

    1. The redirected Cookies folder must have a parent folder.

    2. Users must have read/write permissions to both the Cookies folder and this parent folder.

    For example the redirected Cookies path could be of the form:
    \\server\share\%username%\Internet Explorer\Cookies